Cost-effectiveness analysis and budget impact of rivaroxaban compared with dalteparin in patients with cancer at risk of recurrent venous thromboembolism

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Samenvatting

ObjectivesIn the 'Comparison of an Oral Factor Xa Inhibitor With Low Molecular Weight Heparin in Patients With Cancer With Venous Thromboembolism' (SELECT-D) trial, rivaroxaban showed relatively low venous thromboembolism (VTE) recurrence but higher bleeding compared with dalteparin in patients with cancer. We aim to calculate the cost-effectiveness and budget impact of rivaroxaban compared with dalteparin in patients with cancer at risk of recurrent VTE.SettingWe built a Markov model to calculate the cost-effectiveness from a societal perspective over a 5-year time horizon for the Dutch healthcare setting.ParticipantsA hypothetical cohort of 1000 cancer patients with VTE entered the model with baseline characteristics based on the SELECT-D trial.InterventionSix months of treatment with rivaroxaban (15mg two times per day for first 3weeks followed by 20mg once daily) was compared with 6months of treatment with dalteparin (200IU/kg daily during month 1 followed by 150IU/kg daily).Primary and secondary outcome measuresThe primary outcome of the cost-effectiveness analysis was the incremental cost-effectiveness ratio (ICER). The robustness of the model was evaluated in probabilistic and univariate sensitivity analyses. A budget impact analysis was performed to calculate the total annual financial consequences for a societal perspective in the Netherlands.ResultsIn the base case and all scenarios, rivaroxaban were cost-saving while also slightly improving the patient's health, resulting in economically dominant ICERs. In the probabilistic sensitivity analysis, 77.8% and 98.7% of the simulations showed rivaroxaban to be cost-saving and more effective for a 5-year and 6-month time horizon, respectively. Rivaroxaban can save up to Euro11326763 (CI Euro5164254 to Euro17363231) in approximately 8000 cancer patients with VTE per year compared with dalteparin based on a 1-year time horizon.ConclusionsTreatment with rivaroxaban is economically dominant over dalteparin in patients with cancer at risk for recurrent VTE in the Netherlands. The use of rivaroxaban instead of dalteparin can save over Euro10 million per year, primarily driven by the difference in drug costs.

Originele taal-2English
Artikelnummer039057
Aantal pagina's12
TijdschriftBMJ Open
Volume10
Nummer van het tijdschrift11
DOI's
StatusPublished - 2020

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